Parallel bash scripts – waiting for completion

Assume we would like to execute several independent tasks in parallel and we would like to wait till these tasks are completed. For example we would like to copy a set of files to several (remote) hosts and get a signal when we are ready with this copying task to ALL hosts so we can… Continue reading Parallel bash scripts – waiting for completion

Public WiFi-hotspots and sensitive information, a good combination?

Read e-mail safely on travel

The holiday has been started, you love to check your e-mail, Facebook or WhatsApp at your holiday location but can you trust the provided Wi-Fi-connection? The answer is: NO. Never trust these kind of Wi-Fi-networks. Maybe somebody has set up a wireless access point (AP)/WLAN-hotspot with the same name as the access point of your… Continue reading Public WiFi-hotspots and sensitive information, a good combination?

Android: Questions and Answers

In this article several issues related to Android will be discussed. The format will be in a question and answer based manner. For more generic questions, please check the article: Miscellaneous Questions and Answers   Read also this special article which is dedicated to using ADB wirelessly via Wi-Fi.   Question: How can I make… Continue reading Android: Questions and Answers